Finding the Fourth Proportional to 37,645.94, 51,945.49 and 21,727.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,645.94 : 51,945.49 = 21,727.42 : x
2. Step 2: Convert to fraction form
   37,645.94/51,945.49 = 21,727.42/x
3. Step 3: Cross multiply
   37,645.94x = 51,945.49 × 21,727.42
4. Step 4: Simplify right side
   37,645.94x = 1,128,641,478.34
5. Step 5: Solve for x
   x = 1,128,641,478.34/37,645.94
6. Step 6: Final answer
   x = 29,980.43